1971年9月13日凌晨,秋风瑟瑟,星空浩渺。辽阔的蒙古共和国伊德尔默格县以北的温都尔汗草原一片死寂。2时许,天空传来飞机马达的轰响。夜幕中出现了一架体形硕大的飞机,它在草原上空不断地盘旋,越飞越低,像是在寻找降落场地。数分钟之后,这架飞机在没有放下起落架和减速板的情况下,以每小时300多公里的速度疾速向平阔的草原滑去。首先是飞机尾 The early morning of September 13, 1971, the autumn wind, the vast sky. The vast Mongolian republic, Idlmeg County, north of the Wehrmaar steppe was dead. 2 o’clock, the sky came the sound of aircraft motors. A gigantic aircraft appeared in the night, hovering continuously over the grasslands, flying lower and lower, looking like a landing place. A few minutes later, the plane swiftly slipped to the flat grasslands at more than 300 kilometers per hour without dropping the landing gear and speedbrakes. The first is the tail of the aircraft